Table 2 Association between RDW and incident hypertension

From: The association between red cell distribution width and incident hypertension in Korean adults

RDW

Number

Cases

Multivariate-adjusted OR (95% CI)

Model 1

Model 2

Model 3

Per 1-unit (%) increase

  

1.11 (1.08–1.14)

1.16 (1.12–1.20)

1.15 (1.11–1.19)

Quartile

  Q1

23,865

1112

Reference

Reference

Reference

  Q2

34,451

1949

1.15 (1.06–1.24)

1.20 (1.10–1.30)

1.19 (1.10–1.29)

  Q3

31,003

1858

1.22 (1.13–1.32)

1.28 (1.18–1.39)

1.28 (1.18–1.39)

  Q4

34,942

1908

1.29 (1.20–1.40)

1.33 (1.23–1.45)

1.32 (1.22–1.44)

 P for trend

  

<0.001

<0.001

<0.001

  1. Model 1: adjusted for age and sex
  2. Model 2: adjusted for model 1 + body mass index, systolic blood pressure, diabetes, dyslipidemia, estimated glomerular filtration rate, high-sensitivity C-reactive protein, hemoglobin and mean corpuscular volume
  3. Model 3: adjusted for model 2 + current smoking status, alcohol intake and exercise frequency
  4. CI confidence interval, OR odds ratio, RDW red cell distribution width
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